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Stock-based compensation. (Details) - Schedule of stock options by exercise price range shares in Thousands | 12 Months Ended
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Dec. 31, 2020 $ / shares shares
3.74 [Member] |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Options Outstanding, Number Outstanding | shares | 197
Options Outstanding, Weighted Average Remaining Contractual Life (yrs.) | 2 years 171 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ / shares | $ 3.74
Options Exercisable, Number Exercisable | shares | 197
Options Exercisable, Weighted Average Exercise Price (in Dollars per share) | $ / shares | $ 3,740
12.90 [Member] |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Options Outstanding, Number Outstanding | shares | 10
Options Outstanding, Weighted Average Remaining Contractual Life (yrs.) | 215 days
Options Outstanding, Weighted Average Exercise Price (in Dollars per share) | $ / shares | $ 12.90
Options Exercisable, Number Exercisable | shares | 10
Options Exercisable, Weighted Average Exercise Price (in Dollars per share) | $ / shares | $ 12,900

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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